# -*- coding: utf-8 -*-#
#-------------------------------------------------------------------------------
# 建立者:       加一
# Name:         solution3.2
# Description:
# Author:       加一
# Date:         2019/3/2
#-------------------------------------------------------------------------------

while True:
    x = input("请输入一个数：")
    if x == "end":
        break;
    num = int(x)
    if num % 2 == 0:
        print(x + "是偶数")
    else:
        print(x + "是奇数")